Sand-proof disk-hub.



PATENTED OCT. 29

E. L. BLACK.

SAND PROOF DISK HUB.

APPLIOATION Flynn JAN.19}1907.

awuanl oz Z. 5620A.

93 i tn amen ELLIS L. Iii JACK, OF BENTLEY, KANSAS.

sANn-PRoorfimsK-HU'B.

lye. 869,226.

Specification of Letters Patent.

Patented Oct. 29, 1 907.

Application filed January 19 1907. Serial No. 353,165-

To allu'hom it may concern:

Be it known that I, ELLIS L. Bthcli, a citizen oi the ifnited Slates,residing'at Bentley, in the countyoi Sedgwick and State of hansas, haveinvented certain new and useful Improvements in Sand-Proof Diskliu bs,of which the following is a specification.

This invention relates to disks such ascrnployed for drills,cultivators, plows and the like" and deals more particularly with themountings, whereby dust and other foreign matter is excluded from thebearings.

For a full description ol'the invention and the merits thereof and alsoto acquire a knowledge of the details of construction and the means foreffecting the result, reference is to be had to the followingdescription and accompanying drawings.

\vlllL'. the invention may be adapted to different forms-arid conditionsby changes in the structure and minor details, without departingfrom thespirit or esscnl ial features thereof, still the preferred embodiment isshown in the accompanying drawings, in which:

Figure l is a. perspective view of a disk provided with mountingsembodying the invention. Fig. 2 is a sectional view of the disk andits-mountings. view similar to Fig. 2 showing the parts separated tobring out more clearly their relation and the structural details. v

Corresponding and like parts are referred to in the followingdescription and indicated in all the views of the drawings by the samereference characters- 4 The disk 1 may be such as employed inagricultural machinery either as a colter, cultivator or opener.

The numeral 2designates a hollow stem which is provided at-. one endwith a flange 3, the same being confined between circular plates 4 and 5which are fastened to eaclr-other and to the disk 1. The plate 5 has atubular extension 6 which projects through the disk and terminates in anouter flange 7. A spindle 8 projects from the plate 4 and is mounted inthe hollow stem 2 in which it obtains a bearing. The flange 3 whileconfined between the plates 4 and 5, yet is not clamped but is adaptedto rotate freely between said plates. The outer plate 4 has an innerflange 9 which embraces the outer edge of the plate 5 and obtains aclose lit against the convex side of the disk 1 to prevent entrance ofdust, or other foreign matter. The middle portion of the plate 4 ispressed outward to form a recess iii to accommodate Z le llangc 3 so asto prevent binding of said flange when the plates 4 and 5 are drawntogether and secured tothe disk 1. An oil cup 10 is fitted to the hollowstem 2 for lubricating the spindle 8.

Fig. 3 is a To obtain a tight joint between the tubular extension 6 andthe hollow stem 2 so as to prevent the entrance of dust, a box 11 isclamped to the stem 2 and its inner end has a flange. 12 which embracesthe flange 7 at the outer end of said tubular extension 6. The box 11 iscomposed of sections which are fitted about the stem 2 upon which it isbolted, or clamped.

The flange 12 embraces the flange 7 without binding the same, therebyadmitting of the disk 1 rotating freely, while at the same time insuringa close joint between the flanges 7 and 12 sufiicient to exclude theentrance of sand, dust and the like which would tend to grind and wearaway the bearings.

Having thus described the inventioinwhat is claimed as new is:

1. In combination with -a cultivator disk having a tubular extension, ahollow stem having a flange, a spindle mounted in the hollow stem andhaving a plate which is secured to the said disk-and confines the flangeof the hollow stem, and a box clamped to the hollow stem and having aclose fit with the aforesaid tubular extension to exclude foreignmatter.

2. In combination a disk having a tubular extension projected therefromand having a flange. a hollow stem mounted in said tubular extension ofthe disk and provided with a. flange, :1 spindle in the hollow stem, aplate fast to the spindle and secured to the disk and confining theflange ot'saidhollow stem, and a box clamped to' the. hollow stem andhaving a flange cooperating with the. flange of the aforementionedtubular extension to insure the formation or a tight joint.

3. In combination, a disk, a hollow stem on which the disk is mounted,and having a flange at one end, com panion plates secured to the diskand confining between "them the flange of said 'hollow stem, the innerplate hav ing a tubular extension provided with a flange, a spindleprojected from the outer plate and mounted in said hollow stem, and abox clamped upon the hollow stem and having a flange coiiperatlng withthe flange of the aforementioned tubular extension to secure a closejoint.

4. In combination a disk, a hollow stem provided with a. flange, innerand outer plates confining between them, the flange of the hollow stemand securod'to each other and to the disk, a tubular extension projectedfrom the inner plate through ,the disk and having a flange. the

said outer plate having an inner flange to encircle the said inner plateand having its middle portion pressed outward to receive the flange ofthe hollow stem, and a.

sectional hox clamped about the hollow stem and having a flangeembracing the flange of the aforementioned tubular extension to secure aclose joint therewith.

In testimony whereof I ailix my signature in presence of two witnesses.

nLms'L. BLACK. [n sil Witnesses:

Jenn OWENS, lnncY BRIGGS.

